Tweak to estimated time for admin task
Removing min/max age of locality from the UI (still dormant in database).
Utility SQL adds broader Periods and Ages to geoltime table.
Expanded Geological Time values and search to generalize to Period and Epoch.

A fossil can be assigned to one of these more general time periods, and searches can also be broader. (Any time within the specified time will be considered a 100% match.) Search filter also includes all possible time periods.